2864842 has 8 divisors (see below), whose sum is σ = 4339296. Its totient is φ = 1418412.

The previous prime is 2864833. The next prime is 2864843. The reversal of 2864842 is 2484682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2864798 and 2864807.

It is not an unprimeable number, because it can be changed into a prime (2864843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (542412).

2^2864842 is an apocalyptic number.

2864842 is a deficient number, since it is larger than the sum of its proper divisors (1474454).

2864842 is a wasteful number, since it uses less digits than its factorization.

2864842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012.

The product of its digits is 24576, while the sum is 34.

The square root of 2864842 is about 1692.5844144385. The cubic root of 2864842 is about 142.0256847013.

The spelling of 2864842 in words is "two million, eight hundred sixty-four thousand, eight hundred forty-two".